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DEBUG ERROR implemented.

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The new "error" subcommand of the DEBUG command can reply with an user
selected error, specified as its sole argument:

    DEBUG ERROR "LOADING please wait..."

The error is generated just prefixing the command argument with a "-"
character, and replacing newlines with spaces (since error replies can't
include newlines).

The goal of the command is to help in Client libraries unit tests by
making simple to simulate a command call triggering a given error.
This commit is contained in:
antirez 2014-03-10 23:01:55 +01:00
parent 2705306ba1
commit 8eae54aa1e
1 changed files with 7 additions and 0 deletions
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7
src/debug.c
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@ -381,6 +381,13 @@ void debugCommand(redisClient *c) {
addReplyMultiBulkLen(c,numkeys);
for (j = 0; j < numkeys; j++) addReplyBulk(c,c->argv[keys[j]+2]);
getKeysFreeResult(keys);
} else if (!strcasecmp(c->argv[1]->ptr,"error") && c->argc == 3) {
sds errstr = sdsnewlen("-",1);
errstr = sdscatsds(errstr,c->argv[2]->ptr);
errstr = sdsmapchars(errstr,"\n\r"," ",2); /* no newlines in errors. */
errstr = sdscatlen(errstr,"\r\n",2);
addReplySds(c,errstr);
} else {
addReplyErrorFormat(c, "Unknown DEBUG subcommand or wrong number of arguments for '%s'",
(char*)c->argv[1]->ptr);